Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f652914dd4f5c57…

MALICIOUS

PDF

101.5 KB Created: 2022-04-16 23:34:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: c51540e5a8904fe86235f4a463effcca SHA-1: 3e97d5c3f705de9542b967ec34468683d65d696c SHA-256: 8f652914dd4f5c5790db965538184c1859bf4091ed7c5709a83c1db84c4df6fa
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9520

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://towotoguwulij.weebly.com/uploads/1/3/4/4/134482006/229434.pdf In PDF document text
    • https://fomafofujotide.weebly.com/uploads/1/3/1/3/131383917/jogika_guruki_zafubop_lidizukuputi.pdfIn PDF document text
    • http://bumsnab.ru/uploads/files/82343268294.pdfIn PDF document text
    • https://jevixivuxed.weebly.com/uploads/1/3/4/6/134622771/6892237.pdfIn PDF document text
    • https://pugotujokodi.weebly.com/uploads/1/3/6/0/136056651/b1baf903a6.pdfIn PDF document text
    • https://wegotogad.weebly.com/uploads/1/3/4/3/134342574/bepekanevam_zosizatoja_dowetutanowawig_fisof.pdfIn PDF document text
    • https://wolunogejafijut.weebly.com/uploads/1/3/4/6/134649672/452206b7.pdfIn PDF document text
    • https://lededafekipolo.weebly.com/uploads/1/3/4/4/134404801/62ae3020c5fe.pdfIn PDF document text
    • https://vejefipilarof.weebly.com/uploads/1/3/4/6/134663014/9396185.pdfIn PDF document text
    • https://tuxonojetivap.weebly.com/uploads/1/3/4/4/134437157/ximasafu.pdfIn PDF document text
    • https://nusoselif.weebly.com/uploads/1/3/4/4/134470887/e5c0bd.pdfIn PDF document text
    • https://vatizojisizekig.weebly.com/uploads/1/3/4/8/134852150/mapuzibibokot.pdfIn PDF document text
    • https://levusukep.weebly.com/uploads/1/3/0/8/130814129/pirubasip_figej_ribamiku_vejakewig.pdfIn PDF document text
    • https://ponejibuwefugep.weebly.com/uploads/1/3/4/8/134879986/d4fb537.pdfIn PDF document text
    • https://womivupeb.weebly.com/uploads/1/4/1/4/141425013/2d9556.pdfIn PDF document text
    • https://webmanagement.produse-electrice.ro/images/file/vaburowonevinazekifa.pdfIn PDF document text
    • https://zufikuwokuz.weebly.com/uploads/1/3/4/5/134522796/zuzivejibaveguxi.pdfIn PDF document text
    • https://gukozorupo.weebly.com/uploads/1/3/1/4/131411088/6084415.pdfIn PDF document text
    • https://gifaxopolipo.weebly.com/uploads/1/3/0/7/130739444/1265498.pdfIn PDF document text
    • http://nishikizushi.com/js/kcfinder/upload/files/82607647420.pdfIn PDF document text
    • https://voligamaxe.weebly.com/uploads/1/3/4/5/134512074/sejimo-ronizu-melaw-pizipatonaturo.pdfIn PDF document text
    • https://pepakulal.weebly.com/uploads/1/3/4/8/134885681/poxedaxu.pdfIn PDF document text
    • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/14npjpijq78s92rhbrfb2krulf/86142996442.pdfIn PDF document text
    • https://nutapezuzuf.weebly.com/uploads/1/3/0/9/130969421/e4e02.pdfIn PDF document text
    • https://papijavunobo.weebly.com/uploads/1/3/4/4/134476632/doteroges.pdfIn PDF document text
    • https://cafij.co.za/YmrXLWy8?keyword=braun%20thermometer%20instructions%206023PDF link annotation
    • https://newtech-utm.pl/userfiles/file/432179205.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000fb74.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000fb74.bin)

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fb74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB74 24768 bytes
SHA-256: b349cea568a48a7ba982ff7e43bb79ef6ef695fff0ad194e51eb405b0f87db3b
font_01_sfnt_off00013657.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13657 1668 bytes
SHA-256: 52edea1a5f7273c35dc8262be00fef6fa8ffca05346ef613f1e99b519be981b3
font_02_sfnt_off00013e47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13E47 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off0001565e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1565E 11184 bytes
SHA-256: 0b2380733ccfd39da86833ef798afee2ef34404f7e34396d0223025124fe31a2
font_04_sfnt_off00017077.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17077 16420 bytes
SHA-256: bba1def496f098e6eaf59733b600c098f84d1d7d45714ec988bce0b8ad9161c1

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